Zap, ND

City in Mercer County, ND, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

200

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

33.5

years ∙ half population younger than 33.5, half older

Diversity Index

38.2%

chance two random people differ in race and ethnicity

Nativity

2.5%

foreign-born population

97.5%Native

2.5% Foreign-born

Geographic Context

Location, size, and surroundings

About

Zap is a city within Mercer County, North Dakota, United States.

Location

City in Mercer County, ND, US

Co-ordinates

DEC47.285093° N, 101.923718° W

DMS47° 17′ 06.33″ N, 101° 55′ 25.38″ W

Population Density & area

196.1/sq mi (75.76/km²)

Total Area

1.02 sq mi (2.65 km²)

Land Area

1.02 sq mi (2.64 km²) · 99.8%

Water Area

0 sq mi (0.01 km²) · 0.2%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

47% male

Male 47%

Female 53%

males per 100 females

Zap 88.7

Mercer County 100.8

North Dakota 105.1

Nativity

2.5%

foreign-born population

97.5%Native

2.5% Foreign-born

% Foreign-born

Zap 2.5%

Mercer County 2.1%

North Dakota 4.7%

Age Distribution

How the population is spread across age groups

Median Age

33.5

years ∙ half population younger than 33.5, half older

Zap

33.5

Mercer County

42.9

North Dakota

35.9

Dependency ratio

85.2

dependents per 100 working-age adults

Zap 85.2

Mercer County 84.8

North Dakota 66.8

AGE DISTRIBUTION

Distribution of age group

Median age

	Zap	Mercer County	North Dakota
Age Group
Children (Under 18)	32%	23.4%	23.5%
Working age (18-64)	54%	54.1%	60%
Senior (65+)	14%	22.5%	16.5%
Dependency ratio
Total dependency ratio	85.2	84.8	66.8
Child dependency ratio	59.3	43.2	39.2
Old-age dependency ratio	25.9	41.6	27.6

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

77%

Black

Asian

Hispanic

Other

18%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

38.2%

chance two random people differ in race and ethnicity

Zap 38.2%

Mercer County 16.4%

North Dakota 32.6%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Zap population

	Zap	Mercer County	North Dakota
Hispanic or Latino	5%	2.8%	4.7%
Mexican	0%	0.7%	2.8%
Puerto Rican	0%	0.3%	0.5%
Cuban	5%	0.1%	0.1%
Other Hispanic / Latino	0%	1.6%	1.2%
Not Hispanic or Latino	95%	97.2%	95.3%
One race	91.5%	94.3%	91.3%
White	77%	91.3%	81.7%
Black or African American	0%	0%	3.3%
American Indian and Alaska Native	14.5%	2.4%	4.2%
Asian	0%	0.5%	1.6%
Native Hawaiian and Other Pacific Islander	0%	0%	0.1%
Some Other Race	0%	0%	0.3%
Two or more races (Multiracial)	3.5%	2.9%	4%

Household & Families Composition

Household size, type, and family structure

Household structure

68.4% family

Family 68.4%

Non family 31.6%

% family households

Zap 68.4%

Mercer County 64.8%

North Dakota 57.3%

Average household size

2.63

persons per household

Zap

2.63

Mercer County

2.28

North Dakota

2.28

Household & Family COMPOSITION

Households

Percentage of Zap population

	Zap	Mercer County	North Dakota
Total households	76	3,594	331,063
Average houshold size	2.63	2.28	2.28
Family households	52	2,330	189,842
Average family size	3.29	2.82	3
Married couple family	43	2,061	151,685
Other families	9	269	38,157
Male householder	1	140	13,926
Female householder	8	129	24,231
Non-family households	24	1,264	141,221
One-person households	22	1,115	114,955
Male householder	16	681	61,956
Senior (65+) living alone	6	141	15,355
Female householder	6	434	52,999
Senior (65+) living alone	0	317	25,603
Other living arrangements	2	149	26,266

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

132

housing units

Zap 132

Mercer County 4,667

North Dakota 377,281

Occupancy status

57.6% occupied

Occupied 57.6%

Vacant 42.4%

vacancy rate

Zap 42.4%

Mercer County 23%

North Dakota 12.3%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

69.7%

Single family houses

69.7%

Apartments in multi-unit structures

12.1%

Mobile homes

18.2%

Boat, RV, van, etc

Median Year Built

1968

Half of houses were built before 1968, and half after.

Historic ∙ 1939 or earlier

23.5%

Postwar & mid-century ∙ 1940 - 1969

26.5%

Late 20th century ∙ 1970 - 1999

41.6%

Modern ∙ 2000 or later

8.4%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Zap	Mercer County	North Dakota
Rooms per unit
Median rooms	4.6	6.2	5.7
1–3 rooms	29.6%	12.9%	15.7%
4–6 rooms	49.2%	41.4%	44.8%
7+ rooms	21.2%	45.7%	39.4%
Bedrooms
No bedroom / studio	11.4%	6.9%	3.2%
1 bedroom	22.7%	4.9%	9.7%
2 bedrooms	22%	21.5%	27.9%
3 bedrooms	34.1%	37%	31.5%
4+ bedrooms	9.9%	29.8%	27.9%
At a glance
Median year built	1968	1981	1983
Total housing units	132	4,667	377,281

Occupancy Profile

Who is inside and how they use it

Homeownership

64.5% owners

Renter-occupied 35.5%

Owner-occupied 64.5%

homeownership rate

Zap 64.5%

Mercer County 81.1%

North Dakota 62.9%

Average household size

2.69

Owner-occupied

2.52

Renter-occupied

owner-occupied average size

Zap 2.69

Mercer County 2.42

North Dakota 2.5

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Zap	Mercer County	North Dakota
Total occupied units	76	3,594	331,063
Year moved in
2020 or later	17.1%	19.6%	28.1%
2010 to 2019	36.8%	35.6%	39.7%
2000 to 2009	11.8%	17.4%	13.8%
1999 or earlier	34.2%	27.5%	18.4%
Occupants per room
1.00 or fewer	96.1%	98.8%	97.8%
1.01 to 1.50	3.9%	0.7%	1.5%
1.51 or more	0%	0.5%	0.8%
Vehicles availability
No vehicles	2.6%	2.5%	5.9%
1 vehicle	25%	23.5%	30.1%
2 vehicles	17.1%	29.9%	37.2%
3 or more vehicles	55.3%	44.2%	26.8%
House heating fuel used
Gas	81.6%	59.6%	54.8%
Electricity	13.2%	36.9%	40%
Solar	0%	0%	0%
Fuel oil, kerosene etc	1.3%	0.6%	1.9%
All other fuels	3.9%	2.7%	2%
No fuel used	0%	0.3%	1.3%
Selected characteristics
Lacking complete plumbing	0%	0.3%	0.4%
Lacking complete kitchen	0%	0.3%	0.6%
No telephone service available	3.9%	0.7%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$91,300

owner-occupied units

Median value(USD)

Zap

$91,300

Mercer County

$198,500

North Dakota

$249,900

Housing Cost Burden

41.2%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

41.2%

Owners without a mortgage

6.3%

Renters

14.8%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Zap	Mercer County	North Dakota
Property value
Median Value	$91,300	$198,500	$249,900
Under $100,000	57.1%	15%	16.3%
$100,000 - $200,000	32.7%	35.5%	19.6%
$200,000 - $300,000	8.2%	24%	25.6%
$300,000 - $500,000	0%	19.8%	27.4%
$500,000 - $1,000,000	2%	3.8%	9.7%
$1,000,000 and more	0%	1.8%	1.3%
Owner-occupied households
With a mortgage	34.7%	40.8%	52.3%
Without a mortgage	65.3%	59.2%	47.7%
Median monthly owner costs
With a mortgage	$1,146	$1,675	$1,762
Without a mortgage	$630	$579	$590
Gross rent
Median rent	$1,275	$1,031	$954

Education Profile

How educated is the community and how education pays off

Adults with a college degree

17.3%

of adults 25+ with a bachelor's degree or higher

Zap 17.3%

Mercer County 23.3%

North Dakota 32.7%

Adults without a high school diploma

6.8%

of adults (25+) without a high school diploma

Zap 6.8%

Mercer County 8.6%

North Dakota 5.9%

School Enrollment

Who is enrolled in school and at what level

School enrollment

population (age 3+) enrolled in school

Nursery / Preschool

18.9%

K–12

79.2%

College / Undergraduate

1.9%

Graduate / Professional

College-going rate (18-24 yr olds)

of 18-24-year-olds in college or graduate school

Zap

Mercer County

46.3%

North Dakota

45.2%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Zap	Mercer County	North Dakota
Total enrolled (age 3+)	53	1,805	198,150
Nursery / preschool	18.9%	6.3%	4.9%
K–12	79.2%	74.2%	65%
Kindergarten	13.2%	4%	4.8%
Elementary: Grades 1–4	28.3%	23.8%	20.3%
Elementary: Grades 5–8	28.3%	21%	21%
High School: Grades 9–12	9.4%	25.4%	18.9%
College or graduate school	1.9%	19.6%	30.1%
College, undergraduate	1.9%	18.4%	24%
Graduate, professional school	0%	1.2%	6.1%
College-going rate · 18-24 yr olds	0%	46.3%	45.2%
School type
Public school	77.4%	86.9%	87.1%
Private school	22.6%	13.1%	12.9%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

133

population 25 years and over

Total adults (25+)

Less than 9th grade

5.3%

9th-12th, no diploma

1.5%

HS graduate

28.6%

Some college no degree

18%

Associates degree

29.3%

Bachelors degree

16.5%

Graduate or professional degree

0.8%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

57.1% · 42.9%

9th-12th, no diploma

100% · 0%

HS graduate

71.1% · 28.9%

Some college no degree

54.2% · 45.8%

Associates degree

46.2% · 53.8%

Bachelors degree

13.6% · 86.4%

Graduate or professional degree

0% · 100%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Zap	Mercer County	North Dakota
Population (25+)	133	5,913	513,405
Less than 9th grade	5.3%	3.9%	2.3%
9th–12th, no diploma	1.5%	4.7%	3.6%
High school diploma or GED	28.6%	26.2%	25.5%
Some college, no degree	18%	23.1%	21.8%
Associate's degree	29.3%	18.8%	14%
Bachelor's degree or higher	17.3%	23.3%	32.7%
Bachelor's degree	16.5%	18.1%	23%
Graduate or professional	0.8%	5.2%	9.7%
High School or higher	93.2%	91.3%	94%

Earnings by education level

percentage as applicable

Median Earnings

$49,625

Median earnings for adults 25+, by level

Less than HS graduate

$—

HS graduate

$88,229

Some college or associates

$49,792

Bachelors degree

$—

Graduate or professional degree

$—

Poverty Rate

for ages 25+, with bachelors degree or higher

Less than HS graduate

22.2%

HS graduate

Some college or associates

6.3%

Bachelors degree or higher

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Zap	Mercer County	North Dakota
Median earnings
Population 25+, with earnings	$49,625	$51,710	$52,900
Less than high school graduate	$—	$51,953	$40,757
High school graduate (includes equivalency)	$88,229	$40,339	$43,691
Some college or associate's degree	$49,792	$61,173	$50,379
Bachelor's degree	$—	$48,980	$60,962
Graduate or professional degree	$—	$76,000	$74,877
Poverty rates
Less than high school graduate	22.2%	18.6%	21.4%
High school graduate (includes equivalency)	0%	7.9%	12.9%
Some college or associate's degree	6.3%	5.2%	7.9%
Bachelor's degree or higher	0%	1%	4%

Insights for Zap, by topic

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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