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COUNTY

Gregory County

South Dakota · 4,037 residents (2025 est.) · 1,014.95 sq mi
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The short version

Gregory County has lower-than-average household income, with a median household income of $62,917. Population has fallen 16% since 2000, a loss of 776 residents. 22% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than tripled since 2000, reaching $139,900. With a median age of 44.7, the population is older than the US median of 38.9.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 44.7
US median: 38.9
Less educated
22% hold a bachelor's degree
US average: 36%
Less affordable
home values up 116%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
4,016
−16%since 2000
from 4,792 in 2000
1990 – 2025
Population density
4 / sq mi
−2%since 2009
from 4 / sq mi in 2009
US average: 281
Median age
44.7
+1%since 2000
from 44.3 in 2000
US average: 38.9

PEP 2025 EST:4,037 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
4K4K5K5K5K1990201020202024Gregory County
20244K
1990201020202024
Age distribution, 2024
Under 56.3%(251)
US avg: 5.6%
5 to 96.3%(255)
US avg: 6%
10 to 147.3%(294)
US avg: 6.4%
15 to 196.9%(279)
US avg: 6.6%
20 to 243.8%(152)
US avg: 6.5%
25 to 349.2%(369)
US avg: 13.7%
35 to 4410.4%(416)
US avg: 13.2%
45 to 5410.5%(421)
US avg: 12.2%
55 to 6412.7%(511)
US avg: 12.7%
65 to 7414.9%(597)
US avg: 10.2%
75 to 848.1%(325)
US avg: 5.1%
85 and over3.6%(146)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$62,917
+52%inflation adjusted, since 2000
from $22,732 in 2000
US average: $82,259
1990 – 2024
Per capita income
$35,917
+163%since 2000
from $13,656 in 2000
US average: $44,673
Households earning $100K+
41.6%
+26.2 ptssince 2009
from 15.4% in 2009
US average: 53.3%
Poverty rate
9.5%
−10.5 ptssince 2000
from 20.1% in 2000
US average: 12.5%
Income inequality (Gini)
0.432
−4%since 2010
from 0.448 in 2010
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing15.2%
US avg: 1.6%
Information15.1%
US avg: 10.8%
Construction14.9%
US avg: 1.2%
Wholesale trade10.9%
US avg: 6.9%
Finance & insurance8.8%
US avg: 5.9%
Professional, scientific, technical6.6%
US avg: 5.1%
Other services6.2%
US avg: 6.7%
Public administration5.6%
US avg: 4.8%
Retail trade2.7%
US avg: 9.9%
Education & health services2.2%
US avg: 0.9%
Transportation & warehousing2%
US avg: 2.2%
Manufacturing0.3%
US avg: 0.4%
Arts, entertainment, food0%
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$139,900
+116%inflation adjusted, since 2000
from $35,500 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$614
+28%inflation adjusted, since 2000
from $264 in 2000
US average: $1,442
Owner-occupied
76.7%
+1.7 ptssince 2000
from 75.0% in 2000
23.3% rent
Vacancy rate
26.5%
+5.4 ptssince 2009
from 21.0% in 2009
US average: 10.0%
Owner cost-burdened
15.2%
−3.8 ptssince 2009
from 19.0% in 2009
US average: 22.9%
Renter cost-burdened
24.0%
+4.5 ptssince 2009
from 19.5% in 2009
US average: 47.4%
Afford Score
2.2
+29%since 2009
from 1.7 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
89
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Gregory County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic92.5%(4,432)
Black0%(2)
Hispanic / Latino0.9%(41)
Asian0.2%(11)
Other0%
2024
White, non-Hispanic86.2%(3,462)
Black0.9%(35)
Hispanic / Latino0.6%(24)
Asian1.1%(43)
Other11.3%(452)
Diversity Score
30
+39%since 2009
from 22 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
4
+248%since 2020
from 1 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Guatemalan0.4%(15)
Asian origin
Filipino0.8%(33)
Korean0.2%(10)
Pacific Islander origin
Marshallese0.2%(10)
Ancestry
German43.1%(1,730)
Irish9%(362)
English7.1%(286)
Czech6.5%(263)
American6.1%(243)
Swedish3.7%(149)
Norwegian2.7%(110)
Dutch1.6%(63)
Scottish1.4%(55)
Danish1.3%(52)
French1.2%(50)
Russian0.7%(28)
+ 12 more ancestry groups with data
Swiss0.7%(27)
Polish0.6%(23)
British0.3%(11)
Slovak0.1%(6)
Italian0.1%(5)
Welsh0.1%(5)
Belgian0.1%(3)
Portuguese0.1%(3)
RANKED:Largest German population · Largest Irish population · Largest English population · Largest Czech population · Largest American population
Section 05

Education

Bachelor's degree or higher
22.2%
+10.2 ptssince 2000
from 12.0% in 2000
US average: 35.6%
High school or higher
92.5%
+14.8 ptssince 2000
from 77.7% in 2000
US average: 89.6%
Graduate degree
6.7%
+3.8 ptssince 2000
from 2.9% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
15.9 min
+39%since 2000
from 11.4 min in 2000
US average: 26.5
Drive alone to work
77.5%
+9.1 ptssince 2009
from 68.5% in 2009
US average: 68.9%
Carpooled to work
7.9%
−0.2 ptssince 2009
from 8.1% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
8.0%
−8.0 ptssince 2009
from 16.0% in 2009
US average: 15.0%
Walked to work
4.8%
−1.5 ptssince 2009
from 6.3% in 2009
US average: 2.4%
Biked to work
0.1%
−0.1 ptssince 2009
from 0.2% in 2009
US average: 0.4%
No vehicle available
2.9%
−1.5 ptssince 2009
from 4.4% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
2.3%
−1.6 ptssince 2011
from 3.9% in 2011
US average: 5.2%
Labor force participation
64.7%
+2.5 ptssince 2011
from 62.2% in 2011
US average: 63.5%
Self-employed
12.2%
+2.1 ptssince 2009
from 10.1% in 2009
US average: 13.1%
Management & professional
38.0%
−33.3 ptssince 2009
from 71.3% in 2009
US average: 42.5%
Section 08

People & community

Male
51.1%
+1.8 ptssince 2009
from 49.3% in 2009
Female
48.9%
−1.8 ptssince 2009
from 50.7% in 2009
Foreign born
1.1%
+0.9 ptssince 2009
from 0.2% in 2009
US average: 14.1%
Veterans
8.0%
−39.8 ptssince 2009
from 47.8% in 2009
US average: 6.2%
With a disability
13.8%
−4.6 ptssince 2012
from 18.4% in 2012
US average: 13.3%
Uninsured
8.3%
−81.5 ptssince 2013
from 89.8% in 2013
US average: 8.4%
Broadband at home
82.3%
+18.4 ptssince 2017
from 63.9% in 2017
US average: 91.0%
English only at home
97.9%
+1.6 ptssince 2016
from 96.3% in 2016
US average: 77.7%
Spanish at home
0.2%
−0.9 ptssince 2016
from 1.1% in 2016
US average: 13.6%
Marital status
Men 15+
Never married30.3%(495)
Married56.8%(928)
Widowed3.2%(52)
Divorced9.8%(160)
Women 15+
Never married23.8%(376)
Married58.1%(919)
Widowed12%(189)
Divorced6.1%(97)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

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Head to head

Compare Gregory County to nearby counties

GREGORY COUNTY VS
Boyd County
Income$67,045+7%
Home value$104,000−26%
Population1,674−59%
SEE FULL COMPARISON →
GREGORY COUNTY VS
Charles Mix County
Income$64,038+2%
Home value$170,600+22%
Population9,303+130%
SEE FULL COMPARISON →
GREGORY COUNTY VS
Keya Paha County
Income$64,000+2%
Home value$108,800−22%
Population792−80%
SEE FULL COMPARISON →
GREGORY COUNTY VS
Tripp County
Income$58,987−6%
Home value$132,900−5%
Population5,708+41%
SEE FULL COMPARISON →
Frequently asked

How many people live in Gregory County, South Dakota?

Gregory County, South Dakota has about 4,016 residents according to the 2024 American Community Survey.

What is the median household income in Gregory County, South Dakota?

The typical household in Gregory County, South Dakota earns about $62,917 a year. Half of households make more than that, and half make less.

Is Gregory County, South Dakota expensive?

In Gregory County, South Dakota, the median home is worth about $139,900, and the typical rent is about $614 a month.

How educated are people in Gregory County, South Dakota?

About 22.2% of adults age 25 and over in Gregory County, South Dakota hold a bachelor's degree or higher.

What is the poverty rate in Gregory County, South Dakota?

About 9.5% of people in Gregory County, South Dakota live below the federal poverty line.

Has Gregory County, South Dakota grown since 1990?

Yes, Gregory County, South Dakota has shrunk since 1990. The population has lost about 1,343 residents, a change of about -25 percent over that period.

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Explore from here

2 census tracts
Census Tract 9712Census Tract 9711
6 ZIP codes
ZIP 57533ZIP 57523ZIP 57317ZIP 57335ZIP 57538ZIP 57571
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →